Physics Questions Practice Question and Answer
8 4 Q:
60b4b0f6517f2874d53f51b2 4 Q:
5fe423549f9e9d787c92d003 4 Q:
5f72e901c0afea20a178e18c 4 Q:
5f746ec3a921aa16e68c3704 4 Q:
6082792060a06a7ffdaa9927 4 Q:
616559a93d260361529affd0 4 Q:
63c8f8598731ac33279f04bb Answer : 2. "64 u"
4 Q:
64b52707efb5ba16688213e1 Answer : 3. "X-rays > Infrared > Microwaves > Radio waves"
Q: What type of energy is used to perform bodily functions?
1362 060b4b0f6517f2874d53f51b2
60b4b0f6517f2874d53f51b2- 1electric energyfalse
- 2Solar energyfalse
- 3muscle energytrue
- 4Chemical energyfalse
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Answer : 3. "muscle energy"
Q: What does pupil come in bright light?
1359 05fe423549f9e9d787c92d003
5fe423549f9e9d787c92d003- 1bigfalse
- 2smalltrue
- 3No changefalse
- 4None of thesefalse
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Answer : 2. "small"
Q: We have reason to see the sun a few minutes before the actual sunrise
1355 05f72e901c0afea20a178e18c
5f72e901c0afea20a178e18c- 1Scattering of lightfalse
- 2Diffraction of lightfalse
- 3Total internal reflection of lightfalse
- 4Refraction of lighttrue
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Answer : 4. "Refraction of light"
Q: The principle on which optical fiber works is
1319 05f746ec3a921aa16e68c3704
5f746ec3a921aa16e68c3704- 1Full internal reflectiontrue
- 2Refractionfalse
- 3Scatteringfalse
- 4Deviationfalse
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Answer : 1. "Full internal reflection"
Q: Which of the following laws is associated with the heating effect of electric current?
1314 06082792060a06a7ffdaa9927
6082792060a06a7ffdaa9927- 1Joule's lawtrue
- 2Ohm's lawfalse
- 3Faraday's lawfalse
- 4Newton's lawfalse
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Answer : 1. "Joule's law "
Q: Which of the following is the best conductor of heat?
1310 0616559a93d260361529affd0
616559a93d260361529affd0- 1Leatherfalse
- 2Benzenefalse
- 3Mercurytrue
- 4Waterfalse
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Answer : 3. "Mercury "
Q: Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume
1310 063c8f8598731ac33279f04bb
63c8f8598731ac33279f04bb- 19 ufalse
- 264 utrue
- 327 ufalse
- 436 ufalse
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Answer : 2. "64 u"
Explanation :
Its molecular mass will be: 64u.
Q: What is the correct order of radiations in descending order of frequencies?
1272 064b52707efb5ba16688213e1
64b52707efb5ba16688213e1- 1Infrared > Microwaves > Radio waves > X-raysfalse
- 2Radio waves > X-rays > Microwaves > Infraredfalse
- 3X-rays > Infrared > Microwaves > Radio wavestrue
- 4Infrared > Microwaves > X-rays > Radio wavesfalse
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Answer : 3. "X-rays > Infrared > Microwaves > Radio waves"
Explanation :
The correct order of radiations is in descending order of frequencies.
X-rays > Infrared > Microwaves > Radio waves
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